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- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- Sept. 15, 1972 [published 1973]
- SuDoc number:
- I 63.10:61/int.3
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- [1973.]
- SuDoc number:
- I 63.10:82/int.1/v.1
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- [1973.]
- SuDoc number:
- I 63.10:(nos.)
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- [1973.]
- SuDoc number:
- I 63.10:(nos.)
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- May 1972
- SuDoc number:
- I 63.10:86
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- [1972.]
- SuDoc number:
- I 63.10:36/v.2
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- June 1971 [revised] Dec. 1971. 1972
- SuDoc number:
- I 63.10:68
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- [1972.]
- SuDoc number:
- I 63.10:(nos.)
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- [1972.]
- SuDoc number:
- I 63.10:(nos.)
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- [1972.]
- SuDoc number:
- I 63.10:(nos.)